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Finding the Fourth Proportional to 884.66, 1,326.23 and 336.46

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Solution

The fourth proportional to 884.66, 1,326.23 and 336.46 is: 504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.66 : 1,326.23 = 336.46 : x
  2. Step 2: Convert to fraction form
    884.66/1,326.23 = 336.46/x
  3. Step 3: Cross multiply
    884.66x = 1,326.23 × 336.46
  4. Step 4: Simplify right side
    884.66x = 446,215.03
  5. Step 5: Solve for x
    x = 446,215.03/884.66
  6. Step 6: Final answer
    x = 504.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.